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A075441
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a(n) is the number of solutions to the n-term Znám problem.
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1
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OFFSET
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2,4
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COMMENTS
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Three results are missing for a(7) in Eric Weisstein's World of Mathematics: [2, 3, 7, 43, 3263, 4051, 2558951] [2, 3, 11, 25, 29, 1097, 2753] [2, 3, 13, 25, 29, 67, 2981]. - Zhao Hui Du, Jan 24 2010
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LINKS
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CROSSREFS
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KEYWORD
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nonn,more,hard
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AUTHOR
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EXTENSIONS
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STATUS
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approved
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